vs.

      Mack CHN603 (2004) vs. Western Star 6900 XD (2005)

      1 reasons to buy Western Star 6900 XD (2005):

      Gear box

      Forward gears number 13 and 10 23 % more or 3

      Neutral reasons:

      Gear box

      Model RTLO-16913A and FR-13210B 18-speeds
      Manufacturer Fuller and Eaton Fuller

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